
ZF LifeguardFluid 8 Automatic Transmission Fluid - 1 Liter
Ships from the brand or distributor, usually in 3–7 business days
Make sure this fits your car
Fits: ZF 8-speed automatic (8HP): automatic B58 BMWs and the GR Supra 3.0 automatic, and the S58 M2, M3, M4, X3 M and X4 M automatics. Not for manual cars.
- Free US shipping over $250
- 30-day returns on unused parts
- Fitment help before you buy
ZF's own synthetic transmission fluid, made by the company that builds the 8-speed automatic in every automatic B58 and S58. Buy it for a pan and filter service, or to top up after a cooler or pan install.
What you get
- One 1 liter bottle of ZF LifeguardFluid 8 (ZF S671 090 312).
- Synthetic, blue-green in color.
Good to know
- Count your bottles before you start. A pan and filter service uses several liters, and the exact fill depends on the car.
- The ZF 8HP is filled and checked warm, at a set temperature, through the fill plug. Follow the procedure for your car.
Brand: ZF · Part #: S671 090 312
ZF 8-speed automatic (8HP): automatic B58 BMWs and the GR Supra 3.0 automatic, and the S58 M2, M3, M4, X3 M and X4 M automatics. Not for manual cars.
| Model | Chassis | Years | Engine | Fits |
|---|---|---|---|---|
| M140i | F20/F21 | 2016–2019 | Gen 1 B58 | |
| M240i | F22/F23 | 2016–2021 | Gen 1 B58 | |
| 340i | F30/F31/F34 | 2016–2019 | Gen 1 B58 | |
| 440i | F32/F33/F36 | 2017–2020 | Gen 1 B58 | |
| 540i | G30/G31 | 2017–2019 | Gen 1 B58 | |
| 740i | G11/G12 | 2016–2019 | Gen 1 B58 | |
| X3 M40i | G01 | 2018–2019 | Gen 1 B58 | |
| 640i GT | G32 | 2018–2019 | Gen 1 B58 | |
| M340i | G20/G21 | 2019+ | Gen 2 B58 (TU) | |
| M440i | G22/G23/G26 | 2021+ | Gen 2 B58 (TU) | |
| M240i | G42 | 2022+ | Gen 2 B58 (TU) | |
| Z4 M40i | G29 | 2019+ | Gen 2 B58 (TU) | |
| GR Supra 3.0 | A90/A91 | 2020+ | Gen 2 B58 (TU) | |
| 540i | G30/G31 | 2020–2023 | Gen 2 B58 (TU) | |
| 740i | G11/G12 | 2020–2022 | Gen 2 B58 (TU) | |
| X3 M40i | G01 | 2020+ | Gen 2 B58 (TU) | |
| X5 xDrive40i | G05 | 2019–2023 | Gen 2 B58 (TU) | |
| X6 xDrive40i | G06 | 2020–2023 | Gen 2 B58 (TU) | |
| X7 xDrive40i | G07 | 2019–2022 | Gen 2 B58 (TU) | |
| 840i | G14/G15/G16 | 2019+ | Gen 2 B58 (TU) | |
| M3 | G80/G81 | 2021+ | S58 (BMW M) | |
| M4 | G82/G83 | 2021+ | S58 (BMW M) | |
| M2 | G87 | 2023+ | S58 (BMW M) | |
| X3 M | F97 | 2020–2024 | S58 (BMW M) | |
| X4 M | F98 | 2020–2025 | S58 (BMW M) |
Not sure? Email sales@b58racing.com with your VIN.
- Ships from the brand or distributor, usually in 3–7 business days.
- Free US shipping on orders over $250.
- Unused parts can be returned within 30 days. Some items are marked no-refund in their description.
Full details are on our shipping and returns page.
Guides for this part
B58 Common Problems by Generation (Gen 1, Gen 2 and 2025+) and the Parts That Fix Them
The B58 is one of BMW's most reliable modern engines, and most of its problems are leaks, not failures. The ones that come up again and again are the oil filter housing gasket, coolant leaks (water pump, expansion tank,
S58 Common Problems (G80 M3, G82 M4, G87 M2, X3 M and X4 M) and the Parts That Fix Them
The S58 is still a young engine, and its public problem record is short. The most serious items we found are two BMW delivery stops on small groups of early engines: a 2019 X3 M and X4 M build window where BMW replaced t
BMW S58 Mods Guide: M2, M3, M4, X3 M and X4 M Upgrades in Order
On an S58, start with a tune and cooling. These cars make a lot of power stock, and heat is what holds them back on hot days and back-to-back pulls. Next come downpipes and a tune built for them, then fuel: an ethanol an
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